woodshedding
n.β Β«Mr. Rollins, who has long been lionized, partly for his intense, solitary practicingβor woodshedding, in jazz argotβwould often work in the cottage past nightfall.Β» ββSaxophone Colossus Strides Into a New Life” by Nate Chinen in Germantown, New York New York Times Oct. 21, 2006. (source: Double-Tongued Dictionary)